X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/b87a6e0eedc31fdaa0d468349769b265db904aa7..fd98a5c6771f3a5a686e54370b0525dcc3dca2f9:/src/OS/os.h-Linux?ds=sidebyside diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux index fe4eaa6c7..3fead17d7 100644 --- a/src/OS/os.h-Linux +++ b/src/OS/os.h-Linux @@ -57,4 +57,16 @@ extern struct ip_address_item *os_find_running_interfaces_linux(void); #endif /* __linux__ */ +/* Some folks running "unusual" setups with very old libc environments have +found that _GNU_SOURCE=1 before is not sufficient to define some +constants needed for 64-bit arithmetic. If you encounter build errors based +on LLONG_MIN being undefined and various other escape hatches have not helped, +then change the 0 to 1 in the next block. */ + +#if 0 +# define LLONG_MIN LONG_LONG_MIN +# define LLONG_MAX LONG_LONG_MAX +#endif + + /* End */